package cn.edu.neusoft.food729.fragment;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;

import com.example.retroiftdemo_729.R;

import java.security.PrivateKey;
import java.util.List;

import cn.edu.neusoft.food729.activity.SearchResultActivity;
import cn.edu.neusoft.food729.db.RecordDBOperation;
import cn.edu.neusoft.food729.db.RecordSQLiteOpenHelper;

public class Fragment4 extends BaseFragment {

    private int page = 1;
    private int lastVisibleItemPosition;
    private EditText et_search;
    private Button btn_ok;
    private TextView tv_clear, tv_tip;
    private ListView listView;
    RecordSQLiteOpenHelper recordSQLiteOpenHelper;
    RecordDBOperation recordDB;

    public Fragment4() {
    }

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
//        return super.onCreateView(inflater, container, savedInstanceState);
        return inflater.inflate(R.layout.fragment4, container, false);
    }

    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        System.out.println("--f1--" + getSessionId());//父类
        et_search = view.findViewById(R.id.search);
        btn_ok = view.findViewById(R.id.searchbt);
        tv_clear = view.findViewById(R.id.tv_clear);
        tv_tip = view.findViewById(R.id.textView11);
        listView = view.findViewById(R.id.listView);

        initEvents();

    }

    public void initEvents() {
        recordSQLiteOpenHelper = new RecordSQLiteOpenHelper(context);
        recordDB = new RecordDBOperation(recordSQLiteOpenHelper);

        // 清空搜索历史
        tv_clear.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                recordDB.deleteData();
                showData("");
            }
        });
        btn_ok.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                recordDB.insertData(et_search.getText().toString().trim());
                showDetailInfo(et_search.getText().toString().trim());
            }
        });
        // 搜索框的键盘搜索键点击回调
        et_search.setOnKeyListener(new View.OnKeyListener() {// 输入完后按键盘上的搜索键
            public boolean onKey(View v, int keyCode, KeyEvent event) {
                if (keyCode == KeyEvent.KEYCODE_ENTER && event.getAction() == KeyEvent.ACTION_DOWN) {// 修改回车键功能
                    // 先隐藏键盘
                    ((InputMethodManager)
                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(
                            getActivity().getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
                    // 按完搜索键后将当前查询的关键字保存起来,如果该关键字已经存在就不执行保存
                    boolean hasData = recordDB.hasData(et_search.getText().toString().trim());
                    if (!hasData) {
                        recordDB.insertData(et_search.getText().toString().trim());
                        showData("");
                    }
                    // TODO 根据输入的内容模糊查询商品，并跳转到另一个界面，由你自己去实现
                    showDetailInfo(et_search.getText().toString().trim());
                }
                return false;
            }
        });
        // 搜索框的文本变化实时监听
        et_search.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
            }

            @Override
            public void afterTextChanged(Editable s) {
                btn_ok.setVisibility(View.VISIBLE);
                if (s.toString().trim().length() == 0) {
                    tv_tip.setText("搜索历史");
                } else {
                    tv_tip.setText("搜索结果");
                }
                String tempName = et_search.getText().toString();
                showData(tempName);
            }
        });
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                TextView textView = (TextView) view.findViewById(android.R.id.text1);
                String name = textView.getText().toString();
                et_search.setText(name);
                showDetailInfo(name);
            }
        });
    }

    void showData(String tempName) {
        List list = recordDB.queryData(tempName);
        // 创建 adapter 适配器对象
        SimpleAdapter adapter = new SimpleAdapter(getActivity(), list, android.R.layout.simple_list_item_1, new
                String[]{"name"}, new int[]{android.R.id.text1});
        listView.setAdapter(adapter);
        adapter.notifyDataSetChanged();
    }

    void showDetailInfo(String name) {
        //跳转到搜索结果处理页面
        Intent intent = new Intent(context, SearchResultActivity.class);
        intent.putExtra("search", name);
        startActivity(intent);

    }

}
